Home / 118,273.44-163,253.52-72,965.55

Finding the Fourth Proportional to 118,273.44, 163,253.52 and 72,965.55

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Solution

The fourth proportional to 118,273.44, 163,253.52 and 72,965.55 is: 100,714.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,273.44 : 163,253.52 = 72,965.55 : x
  2. Step 2: Convert to fraction form
    118,273.44/163,253.52 = 72,965.55/x
  3. Step 3: Cross multiply
    118,273.44x = 163,253.52 × 72,965.55
  4. Step 4: Simplify right side
    118,273.44x = 11,911,882,876.24
  5. Step 5: Solve for x
    x = 11,911,882,876.24/118,273.44
  6. Step 6: Final answer
    x = 100,714.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.